Gregory E. Pyle (born April 25, 1949) was a long-term political leader of the Choctaw Nation of Oklahoma. He was elected as Principal Chief in 1997 and re-elected since by wide margins. He resigned effective April 28, 2014. Prior to serving as Principal Chief, he had served as Assistant Chief for 13 years. He began to work for the Choctaw Nation in 1975 as personnel officer.